:root{--ink:#14201d;--muted:#5c6965;--paper:#f7f8f5;--card:#fff;--dark:#0d2923;--accent:#16715b;--accent2:#e3f2ed;--line:#dce4e0;--warn:#fff7d9}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink);line-height:1.67}a{color:var(--accent)}
.wrap{max-width:1180px;margin:auto;padding:0 22px}.site-header{background:rgba(13,41,35,.97);color:white;position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(255,255,255,.08)}.header-row{min-height:72px;display:flex;align-items:center;gap:22px}.brand{font-weight:850;letter-spacing:-.035em;color:#fff;text-decoration:none;white-space:nowrap}.brand em{font-style:normal;color:#8bd9c5}.desktop-nav{display:flex;align-items:center;gap:18px;margin-left:auto}.desktop-nav a{color:#dcebe7;text-decoration:none;font-size:.92rem}.header-cta,.cta{display:inline-flex;align-items:center;justify-content:center;background:#fff;color:#103d33!important;text-decoration:none;font-weight:800;border-radius:9px;padding:11px 15px;white-space:nowrap}.header-cta{margin-left:0}.mobile-actions,.mobile-menu{display:none}
.hero{padding:72px 0 48px;background:linear-gradient(180deg,#e5f3ee 0%,rgba(229,243,238,0) 100%)}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:.76rem;font-weight:850;color:var(--accent)}h1{font-size:clamp(2.4rem,5vw,4.4rem);line-height:1.03;letter-spacing:-.05em;max-width:900px;margin:.18em 0}.lead{font-size:1.18rem;color:var(--muted);max-width:820px}.layout{display:grid;grid-template-columns:minmax(0,820px) 280px;gap:48px;padding-top:28px;padding-bottom:76px}.content section{margin:38px 0}.content h2{font-size:1.75rem;line-height:1.2;letter-spacing:-.025em}.content h3{font-size:1.15rem}.content ul{padding-left:22px}.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.note{background:var(--warn);border:1px solid #eadc9d;border-radius:10px;padding:16px}.product-box{background:var(--dark);color:#fff;border-radius:15px;padding:22px;margin:28px 0}.product-box p{color:#dcebe7}.product-box .cta{background:#8bd9c5;color:#0d2923!important}.disclosure{font-size:.84rem;color:#c7d8d3}.sidebar{padding-top:14px}.sidebox{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:18px}.sidebox h2{font-size:1.08rem;margin-top:0}.sidebox .cta{width:100%;background:var(--accent);color:#fff!important}.sidebox a.topic{display:block;padding:7px 0;text-decoration:none;border-bottom:1px solid #edf0ee}.sidebox a.topic:last-child{border-bottom:0}.next{border-top:1px solid var(--line);padding-top:28px;margin-top:48px}.nextlinks{display:flex;flex-wrap:wrap;gap:9px}.nextlinks a{background:#fff;border:1px solid var(--line);padding:9px 12px;border-radius:8px;text-decoration:none}.small{font-size:.87rem;color:var(--muted)}
footer{background:var(--dark);color:#cfe0db;padding:40px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}footer a{color:#fff}.footer-links a{display:block;margin:6px 0}.hamb{border:0;background:transparent;color:#fff;font-size:26px;padding:6px;line-height:1;cursor:pointer}
@media(max-width:800px){.site-header{position:sticky}.header-row{min-height:64px;gap:10px}.brand{font-size:.92rem;max-width:42vw;overflow:hidden;text-overflow:ellipsis}.desktop-nav,.header-row>.header-cta{display:none}.mobile-actions{display:flex;align-items:center;gap:5px;margin-left:auto}.mobile-actions .header-cta{display:inline-flex;font-size:.82rem;padding:9px 10px}.mobile-menu{display:none;background:#12352e;border-top:1px solid rgba(255,255,255,.1);padding:10px 22px 16px}.mobile-menu.open{display:block}.mobile-menu a{display:block;color:#fff;text-decoration:none;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08)}.hero{padding:48px 0 34px}h1{font-size:2.55rem}.layout{grid-template-columns:1fr;gap:10px}.sidebar{padding-top:0}.card-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}

/* Mobile header: intentionally only brand + primary CTA. */
@media(max-width:800px){
  .mobile-actions{display:flex;margin-left:auto;align-items:center}
  .mobile-actions .hamb{display:none!important}
  .mobile-menu{display:none!important}
  .mobile-actions .header-cta{font-size:.92rem;padding:11px 16px;min-height:44px}
  .brand{max-width:48vw}
}

.cta-popup-backdrop{position:fixed;inset:0;background:rgba(7,20,17,.56);display:none;align-items:center;justify-content:center;padding:20px;z-index:100}
.cta-popup-backdrop.show{display:flex}.cta-popup{position:relative;width:min(520px,100%);background:#fff;border-radius:18px;padding:28px;box-shadow:0 24px 70px rgba(0,0,0,.25)}
.cta-popup h2{margin:0 36px 8px 0;font-size:1.65rem;line-height:1.15}.cta-popup p{color:var(--muted)}
.popup-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.popup-offer,.popup-stay{border:0;border-radius:9px;padding:12px 16px;font:inherit;font-weight:800;cursor:pointer}
.popup-offer{background:var(--accent);color:#fff;text-decoration:none}.popup-stay{background:#eef2f0;color:var(--ink)}.popup-close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:28px;line-height:1;cursor:pointer;color:#53605c}

/* Benchmark-plus navigation and editorial UX */
.nav-group{position:relative;display:flex;align-items:center;height:72px}.nav-top{display:flex;align-items:center;height:100%}
.submenu{display:none;position:absolute;top:62px;left:-18px;width:280px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 18px 45px rgba(0,0,0,.16);z-index:80}
.nav-group:hover .submenu,.nav-group:focus-within .submenu{display:block}.submenu-title{font-weight:850;padding:4px 8px 9px;color:var(--ink)}.desktop-nav .submenu a{display:block;color:var(--ink);padding:8px;border-radius:7px}.desktop-nav .submenu a:hover{background:var(--accent2)}.desktop-nav .submenu .view-all{margin-top:7px;border-top:1px solid var(--line);padding-top:11px;color:var(--accent);font-weight:800}
.article-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:.86rem;color:var(--muted);margin:18px 0}.takeaways{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:24px 0}.takeaways strong{display:block;margin-bottom:8px}.takeaways ul{margin:0;padding-left:20px}.toc{background:var(--accent2);border-radius:14px;padding:18px 22px;margin:24px 0}.toc strong{display:block;margin-bottom:8px}.toc a{display:block;padding:3px 0;text-decoration:none}.cluster-strip{border:1px solid var(--line);background:#fff;border-radius:14px;padding:18px;margin:24px 0}.cluster-strip h2{font-size:1.15rem;margin:0 0 10px}.cluster-links{display:flex;flex-wrap:wrap;gap:8px}.cluster-links a{border:1px solid var(--line);border-radius:999px;padding:7px 10px;text-decoration:none;font-size:.9rem}.faq{border-top:1px solid var(--line);padding-top:10px}.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 15px;margin:9px 0}.faq summary{font-weight:800;cursor:pointer}.updated{font-weight:700}
@media(max-width:1040px){.desktop-nav{gap:11px}.desktop-nav>a,.nav-top{font-size:.82rem}}
@media(max-width:800px){.desktop-nav{display:none!important}.nav-group{display:none}.header-row>.header-cta{display:none}.mobile-actions{display:flex}.mobile-actions .header-cta{display:inline-flex}}